Home
Class 12
PHYSICS
A galvanometer gives full scale deflecti...

A galvanometer gives full scale deflection with 0.006 A current. By connecting in to a `4990 Omega` resistance, it can be converted into a voltmeter of range 0-30V. If connected to a `(2n)/(249)Omega` resistance, it becomes an ammeter of range `0-1.5A`. The value of n is

Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    RESONANCE|Exercise Exrcies-3(PART-2)|23 Videos

  • CURRENT ELECTRICITY

    RESONANCE|Exercise High Level Problems (HIP)|21 Videos

  • CURRENT ELECTRICITY

    RESONANCE|Exercise Exercise-2 (Part-4)|12 Videos

  • COMMUNICATION SYSTEMS

    RESONANCE|Exercise Exercise 3|13 Videos

  • DAILY PRACTICE PROBLEM

    RESONANCE|Exercise DPP.No.71|1 Videos

Similar Questions

Explore conceptually related problems

A galvanometer gives full scale deflection with 0.006 A current. By connecting it to a 4990Omega resistance, it can be converted into a voltmeter of range 0.30 V . If connected to a (2n)/249 Omega resistance, it becomes an ammeter of range 0-1.5A . the value of n is

A galvanometer of resistance 100Omega gives full scale deflection for the current of 0.1 A . The series resistance required to convert it into voltmeter of range 100 V is

A galvanometer of resistance 15 omega gives full scale deflection for a current of 2 mA calculate the shunt resistance needed to convert it to an ammeter of range 0 to 5A

A galvanometer of resistance 15 ohm gives full scale deflection for a current of 2 mA. Calculate the shunt resistance needed to convert it into an ammeter of range 0 to 5 A

The full scale deflection current of a galvanometer of resistance 1Omega is 5 mA . How will you convert it into a voltmeter of range of V ?

A galvanometer of resistance 30 Omega shows a full scale deflection for a current of 2 mA. Calculate the value of resistance required to convert it into a voltmeter of range 0-5 volt.

A galvanometer has coil resistance 30 Omega and full deflection current of 2mA. What resistance is needed to convert it into a voltmeter of 0.2V range.

RESONANCE-CURRENT ELECTRICITY-Exrcies-3(PART-1)
  1. Figure shows three resistor configurations R1,R2 and R3 connected to 3...

    Text Solution

    |

  2. Statement-1 : In a Meter Bridge experiment, null point for an unknown ...

    Text Solution

    |

  3. For the circuit shown in the figure

    Text Solution

    |

  4. Consider a thin square sheet of side L and thickness t, made of a mate...

    Text Solution

    |

  5. Incandescent bulbs are designed by keeping in mind that the resistance...

    Text Solution

    |

  6. To verify Ohm's law, a student is provided with a test resistor R(T), ...

    Text Solution

    |

  7. When two identical batteries of internal resistance 1Omega each are co...

    Text Solution

    |

  8. Two batteries of different emfs and different internal resistances are...

    Text Solution

    |

  9. For the resistance network shown in the figure, choose the correct opt...

    Text Solution

    |

  10. Heater of an electric kettle is made of a wire of length L and diamete...

    Text Solution

    |

  11. Two ideal batteries of emf V(1) and V(2) and three resistance R(1)R(2)...

    Text Solution

    |

  12. A galvanometer gives full scale deflection with 0.006 A current. By co...

    Text Solution

    |

  13. During an experiment with a metre bridge, the galvanometer shows a nul...

    Text Solution

    |

  14. In an aluminium (Al) bar of square cross section, a square hole is dri...

    Text Solution

    |

  15. In the following circuit, the current through the resistor R (=2Omega)...

    Text Solution

    |

  16. An infinite line charge of uniform electric charge density lambda lies...

    Text Solution

    |

  17. Consider two identical galvanometers and two identical resistors with ...

    Text Solution

    |

  18. Consider an evacuated cylindrical chamber of hight h rigid conducting ...

    Text Solution

    |

  19. Consider an evacuated cylindrical chamber of hight h rigid conducting ...

    Text Solution

    |

  20. A moving coil galvanometer has 50 turns and each turn has an area 210 ...

    Text Solution

    |